Bill Gates is retiring from Microsoft today, leaving the company 33 years after he founded it. He will remain as Microsoft’s chairman, but he will focus his time on managing the Bill & Melinda Gates Foundation.

Pakistan denied links to the attempted killing of Afghan president Hamid Karzai on April 27. Afghanistan’s intelligence agency had accused Pakistan's Inter-Services Intelligence of being the "real schemer and organizer” of the attack.

The U.S. Department of Justice has agreed to settle a lawsuit with Army scientist Steven Hatfill, whose name was leaked to the media as a “person of interest” in the 2001 anthrax attacks. He will receive $2.8 million in the settlement.

The Supreme Court struck down the “millionaire’s amendment” on the ground that it violates the First Amendment. The amendment stipulated that the opponents of candidates who spend more than $350,000 of their own money are able to accept larger contributions.

Barack Obama and Hillary Clinton met in the town of Unity, New Hampshire to bury the hatchet after a contentious primary race. In a “day of choreographed unity,” Clinton reaffirmed her endorsement of Obama.

The Chicago Bulls drafted Memphis point guard Derrick Rose first overall in the NBA Draft. The biggest trade of the night sent Richard Jefferson from the New Jersey Nets to the Milwaukee Bucks for Yi Jianlian and Bobby Simmons.